Subtracting: Previous lesson for adding decimals is extended in this one to subtraction by means of the place value mat and the manipulative. Students will be able to compare decimals by going from the factional representation to the decimal one. Again, in the problems that a place value mat is provided with an indicated operation. You may try to do it yourself before running the solution. You don't need to use paper for that. On the upper right corner of the screen you have the MARKER TOOLS menu. It features a pen, highlighter and eraser.
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